1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (C) 2010, 2011, 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "DeviceMotionClientBlackBerry.h"
#include "DeviceMotionController.h"
#include "DeviceMotionData.h"
#include "WebPage_p.h"
#include <BlackBerryPlatformDeviceMotionTracker.h>
using namespace WebCore;
DeviceMotionClientBlackBerry::DeviceMotionClientBlackBerry(BlackBerry::WebKit::WebPagePrivate* webPagePrivate)
: m_webPagePrivate(webPagePrivate)
, m_tracker(0)
, m_controller(0)
, m_lastEventTime(0)
{
}
DeviceMotionClientBlackBerry::~DeviceMotionClientBlackBerry()
{
if (m_tracker)
m_tracker->destroy();
}
void DeviceMotionClientBlackBerry::setController(DeviceMotionController* controller)
{
m_controller = controller;
}
void DeviceMotionClientBlackBerry::deviceMotionControllerDestroyed()
{
delete this;
}
void DeviceMotionClientBlackBerry::startUpdating()
{
if (m_tracker)
m_tracker->resume();
else
m_tracker = BlackBerry::Platform::DeviceMotionTracker::create(this);
}
void DeviceMotionClientBlackBerry::stopUpdating()
{
if (m_tracker)
m_tracker->suspend();
}
DeviceMotionData* DeviceMotionClientBlackBerry::lastMotion() const
{
return m_currentMotion.get();
}
void DeviceMotionClientBlackBerry::onMotion(const BlackBerry::Platform::DeviceMotionEvent* event)
{
// All boolean parameters in the following create() calls indicate that if the following parameter is validly provided.
RefPtr<DeviceMotionData::Acceleration> acceleration = DeviceMotionData::Acceleration::create(
true, event->acceleration.x, true, event->acceleration.y, true, event->acceleration.z);
RefPtr<DeviceMotionData::Acceleration> accelerationIncludingGravity = DeviceMotionData::Acceleration::create(
true, event->accelerationIncludingGravity.x, true, event->accelerationIncludingGravity.y, true, event->accelerationIncludingGravity.z);
RefPtr<DeviceMotionData::RotationRate> rotationRate = DeviceMotionData::RotationRate::create(
true, event->rotationRate.alpha, true, event->rotationRate.beta, true, event->rotationRate.gamma);
double now = WTF::currentTimeMS();
m_currentMotion = DeviceMotionData::create(acceleration, accelerationIncludingGravity, rotationRate, m_lastEventTime, m_lastEventTime - now);
m_lastEventTime = now;
if (!m_controller)
return;
m_controller->didChangeDeviceMotion(lastMotion());
}
|
